1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /************************************************************************** |
3 | * Copyright (c) 2007-2008, Intel Corporation. |
4 | * All Rights Reserved. |
5 | * |
6 | **************************************************************************/ |
7 | |
8 | #ifndef _PSB_GTT_H_ |
9 | #define _PSB_GTT_H_ |
10 | |
11 | #include <drm/drm_gem.h> |
12 | |
13 | struct drm_psb_private; |
14 | |
15 | /* This wants cleaning up with respect to the psb_dev and un-needed stuff */ |
16 | struct psb_gtt { |
17 | uint32_t gatt_start; |
18 | uint32_t mmu_gatt_start; |
19 | uint32_t gtt_start; |
20 | uint32_t gtt_phys_start; |
21 | unsigned gtt_pages; |
22 | unsigned gatt_pages; |
23 | unsigned long stolen_size; |
24 | unsigned long vram_stolen_size; |
25 | }; |
26 | |
27 | /* Exported functions */ |
28 | int psb_gtt_init(struct drm_device *dev); |
29 | void psb_gtt_fini(struct drm_device *dev); |
30 | int psb_gtt_resume(struct drm_device *dev); |
31 | |
32 | int psb_gtt_allocate_resource(struct drm_psb_private *pdev, struct resource *res, |
33 | const char *name, resource_size_t size, resource_size_t align, |
34 | bool stolen, u32 *offset); |
35 | |
36 | uint32_t psb_gtt_mask_pte(uint32_t pfn, int type); |
37 | void psb_gtt_insert_pages(struct drm_psb_private *pdev, const struct resource *res, |
38 | struct page **pages); |
39 | void psb_gtt_remove_pages(struct drm_psb_private *pdev, const struct resource *res); |
40 | |
41 | #endif |
42 | |